<form action="{:url('cms/Help/search')}" id="search-box">

    <div class="search-box search-box-global">
        <input type="text" class="search-ipt J-global-search-input" name="keywords" placeholder="请输入您要搜索的关键词">
        <button type="button" class="bt-clear J-global-search-clear"></button>
        <button type="button" id="bt-search-global" class="bt-search J-global-search-btn"><svg class="icon" aria-hidden="true">
            <use xlink:href="#icon-soushuo"></use></button>
    </div>
</form>